67281838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{18617}}^1$

素因数の和:18771

約数の個数: 16

約数和(自身を含む): 109473840

約数和(自身を除く): 42192002

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 18617, 37234, 242021, 484042, 2587763, 5175526, 33640919, 67281838]

約数ペア:

[(1, 67281838), (2, 33640919), (13, 5175526), (26, 2587763), (139, 484042), (278, 242021), (1807, 37234), (3614, 18617)]